Weather Forecast for Harrisburg

Pennsylvania, United States of America

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Partly cloudy

Current Weather - Harrisburg: 27°C

Pennsylvania, United States of America

Partly cloudy

Feels like 26°C

Wind

12 km/h S

Humidity

42%

Pressure

1007 mb

UV Index

2

Visibility

16 km

Sunny

Sunny

Wednesday, June 17, 2026

High

31°C

Low

14°C

Rain Chance

3%

Hourly Forecast

Clear 22°C
23:00
Jun 18

Day Statistics

Maximum Wind

16 km/h

Humidity

57%

Precipitation

0 mm

UV Index

8

Visibility

10 km

Rain Chance

3%

Snow Chance

0%

Sun & Moon

Sunrise

05:37 AM

Sunset

08:39 PM

Moonrise

07:51 AM

Moonset

11:11 PM

Moon Phase

Waxing Crescent

Moon Illumination

11%

Air Quality

PM2.5

8.6

μg/m³

PM10

9.3

μg/m³

NO₂

6.3

μg/m³

O₃

96.1

μg/m³

SO₂

2.2

μg/m³

CO

156.9

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

479.74

Diffuse Radiation

81.22

DNI

76.61

GTI

412.78

When to visit Harrisburg?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: May June August

January

☀️
4°C
💧
12 Days of rain
❄️
Very heavy snowfall
🥶 Coldest month

February

☀️
6°C
💧
11 Days of rain
❄️
Very heavy snowfall
🌵 Driest month

March

☀️
11°C
💧
14 Days of rain
❄️
Very heavy snowfall

April

☀️
18°C
💧
14 Days of rain
❄️
Moderate snowfall

May

☀️
23°C
💧
13 Days of rain
❄️
No snowfall
Best time to visit

June

☀️
28°C
💧
13 Days of rain
❄️
No snowfall
Best time to visit

July

☀️
31°C
💧
14 Days of rain
❄️
No snowfall
🔥 Hottest month

August

☀️
30°C
💧
12 Days of rain
❄️
No snowfall
Best time to visit

September

☀️
26°C
💧
16 Days of rain
❄️
No snowfall
🌧 Wettest month,

October

☀️
19°C
💧
13 Days of rain
❄️
Moderate snowfall

November

☀️
12°C
💧
12 Days of rain
❄️
Moderate snowfall

December

☀️
6°C
💧
13 Days of rain
❄️
Very heavy snowfall